Chlorophyll molecules are attached to thylakoid membranes by:
a. a long hydrocarbon tail.
b. the porphyrin ring.
c. the methyl group.
d. a magnesium ion.
e. a hydroxide group.
A
Biology & Microbiology
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Radiation therapy is given by external sources only.
a. true b. false
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All animals have cell junctions.
Answer the following statement true (T) or false (F)
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Klinefelter and Turner syndromes are examples of
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